9.3x62 vs 35 whelen in 18" barrel?

[BlakeJ]

Does anyone know which round will give better velocities out of a 18" barrel with 250 grain bullets? It's hard finding velocity data for shorter barrels with these rounds.

 

[DocHolliday]

Their velocity loss should essentially be the same with bullets that are the same weight, The .35 will have slightly better sectional density.

 

[DocHolliday]

This is WAG, but I would figure that you would lose around 25-30 fps per inch of barrel lost. The larger the bore, the less the velocity lost per inch of barrel cut. YMMV

 

[roklok]

I have several .35 Whelens. Two of which are a 22 inch M700 and an 18.5 inch 7600 Carbine. With my favorite handload using 59.5 grains RL15 and 250 grain Nosler Partition I get 2540 FPS out of 22 inch and 2500 even out of 18.5 inch. So 40 FPS less with a 3.5 inch shorter barrel. The Whelen does very well in shorter barrels, I would assume the same of the 9.3x62.

 

[DocHolliday]

Great info.. I bet that 2500 from a handgun is a “handful”. No pun intended. I’ve touched off a .375 JDJ and it’s no slouch.